By Shenson, Howard L..
Washington, D.C. Bermont Books 1981 .
180 p. 26 cm..
0930686144

By Van Kavelaar, Eileen K..
San Francisco Calif. Jossey-Bass/Pfeiffer 1998 .
x, 174 p. 23 cm..
0787911186 (cloth : acid-free paper)

By Jolles, Robert L..
New York John Wiley & Sons 1993 .
xiv, 240 p. , Includes index. 23 cm..
0471594776 (pbk.) | 0471594784 (cloth)